On polarity effect of underwater impulse breakdown
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In this paper, the impulse breakdown tests of conductive water (350 μS/cm) were carried out under different experimental conditions (25-1500μs and 0.5-100mm). The polarity effect of underwater impulse breakdown was investigated, and the classification and region definition methods for polarity effect were proposed. The results showed that there are three kinds of polarity effect variation point and four kinds of polarity effect. The motion trail of polarity effect variation points varied with experimental condition can be used to define the region of specific polarity effect.
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